Matemáticas mentales Worksheet
Recommended for 1er grado — 5to grado
Matemáticas mentales Worksheet
Name: ____________________Date: ____________
Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.
20 problems
92 − 10 = ______
36 + 10 = ______
1 × 10 = ______
35 − 10 = ______
5 × 10 = ______
47 + 10 = ______
86 + 20 = ______
77 − 10 = ______
4 × 10 = ______
65 − 10 = ______
82 − 10 = ______
20 + 10 = ______
52 + 10 = ______
12 + 10 = ______
78 + 10 = ______
13 + 20 = ______
22 − 10 = ______
26 + 10 = ______
43 + 10 = ______
72 + 10 = ______
